Finding the Fourth Proportional to 547,163.71, 755,073.37 and 305,468.77
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Solution
The fourth proportional to 547,163.71, 755,073.37 and 305,468.77 is: 421,539.90
Step by Step Solution
- Step 1: Write the proportion equation
547,163.71 : 755,073.37 = 305,468.77 : x - Step 2: Convert to fraction form
547,163.71/755,073.37 = 305,468.77/x - Step 3: Cross multiply
547,163.71x = 755,073.37 × 305,468.77 - Step 4: Simplify right side
547,163.71x = 230,651,332,644.44 - Step 5: Solve for x
x = 230,651,332,644.44/547,163.71 - Step 6: Final answer
x = 421,539.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.